13854488220 has 36 divisors (see below), whose sum is σ = 42025281480. Its totient is φ = 3694530144.

The previous prime is 13854488189. The next prime is 13854488233. The reversal of 13854488220 is 2288445831.

13854488220 is a `hidden beast` number, since 1 + 3 + 8 + 544 + 8 + 82 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38484510 + ... + 38484869.

It is an arithmetic number, because the mean of its divisors is an integer number (1167368930).

Almost surely, 2^13854488220 is an apocalyptic number.

13854488220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13854488220 is an abundant number, since it is smaller than the sum of its proper divisors (28170793260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13854488220 is a wasteful number, since it uses less digits than its factorization.

13854488220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76969394 (or 76969389 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 45.

The spelling of 13854488220 in words is "thirteen billion, eight hundred fifty-four million, four hundred eighty-eight thousand, two hundred twenty".